Peters, T. Galaxy Formation, MPI for Astrophysics, Max Planck Society;
Cesaroni, R., Sánchez-Monge, Á., Beltrán, M. T., Johnston, K. G., Maud, L. T., Moscadelli, L., et al. (2017). Chasing discs around O-type (proto)stars: Evidence from ALMA observations. Astronomy & Astrophysics, 602: A59, pp. 1-22. doi:10.1051/0004-6361/201630184.